revert most of 23a0555

which caused too many broken links in the landing page (and probably elsewhere too)
git handles symlinks, but not well through github UI, where they are not followed..

setup.py

@@ -1747,7 +1747,7 @@ def addconf(name, dst_name=None):
 
             if docs_ENABLED:
                 doc_dir = f"{self.install_dir}/share/doc/xpra/"
-                convert_doc_dir("./fs/share/doc/xpra", doc_dir)
+                convert_doc_dir("./docs", doc_dir)
 
             if data_ENABLED:
                 for d in ("http-headers", "content-type", "content-categories", "content-parent"):